Distribution

Schistosoma mansoni is found in many African countries, and some areas of South America, the Caribbean and Middle East.

Schistosoma mansoni is a parasitic organism. Different stages of the life cycle live in different hosts

Adults live in human blood vessels
Miracidium live for a short time in fresh water before infecting snails
Cercariae develop in the snail and are released in to freshwater before infecting humans.